20804949 is an odd 8-digits composite number following 20804948
and preceding 20804950 . In scientific notation, it is written as 2.0804949 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 12059520 positive integers (up to 20804949) that are relatively prime to 20804949.
20804949 has 24 divisors, whose sum is 34212672
The reverse of 20804949 is 94940802
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred four thousand nine hundred forty-nine
Scientific notation
2.0804949 × 10^7
Engineering notation
2.0804949 × 10^6
Prime Factorization
3 × 3 × 11 × 23 × 9137
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6934983
Product of the distinct prime numbers
The prime factorization of 20804949 is 3 × 3 × 11 × 23 × 9137.
Since it has a total of 5 prime factors.
8 , 2 , 5 , 100 , 264 , 906 , 3419 , 9328 , 25811 , 153 , 122700 , 717842 , 6805728 , 6783325 , 46127469 , 69634094 , 301230629 , 150383205 , 3260278301 , 1672165166
n×2
41609898
n×3
62414847
n×4
83219796
n×5
104024745
n÷2
10402474.5
n÷3
6934983
n÷3
5201237.25
n÷5
4160989.8
n2
432845902892601
n3
9.0053369345395E+21
n4
1.8735557565091E+29
n5
3.8979231962828E+36
2 √n
4561.2442381438
3 √n
275.03558327434
4 √n
67.536984224525
5 √n
29.082606765069
1 , 3 , 9 , 11 , 23 , 33 , 69 , 99 , 207 , 253 , 759 , 2277 , 9137 , 27411 , 82233 , 100507 , 210151 , 301521 , 630453 , 904563 , 1891359 , 2311661 , 6934983 , 20804949
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804949 can be divided by 24 positive divisors.
The sum of these divisors (counting 20804949) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010111010101010101
3
Ternary
1110011000000200
4
Quaternary
1033113111111
5
Quinary
20311224244
6
Senary
2021531113
8
Octal
117272525
10
Decimal
20804949
12
Duodecimal
6b73a99
16
Hexadecimal
13d7555
20
Vigesimal
6a0c79
36
Base36
cdx79
md5
3e7d5688225ee53fb1fe73a2e5562333
sha1
8f69d8f53519fb660793d1e8009109107f119856
sha256
779227d736d1df0ae43e9608011a1911381c9b22730142d8857893153cdb5696
sha512
d0168c6c9d7622f1cb77d7979030e5cc7f20304d6b06bee1859ee20f263d1c08cf1b34fe983e15bdaab3344354fb394decd69e55b373c43b6f4607ecd8c277ba
ripemd-160
9babf90aa9730e1e192127a3772a8e70ca2fa98a
Diameter
41609898
Circumference
130721349.87342
Area
1.3598255086638E+15
Volume
3.77214671422E+22
Surface area
5.4393020346553E+15
Circumference
130721349.87342
Perimeter
83219796
Area
432845902892601
Diagonal
29422641.040281
Surface area
2597075417355606
Volume
9.0053369345395E+21
Space diagonal
36035228.716879
Perimeter
62414847
Area
1.874277739145E+14
Altitude
18017614.35844
Surface area
1.874277739145E+14
Volume
1.0612891355471E+21
Height
9807547.0134269